miniproto.media.download.DownloadRangeCache.prefetch

miniproto.media.download.DownloadRangeCache.prefetch

prefetch(key: str, offset: int, limit: int, fetch: Callable[[], Awaitable[bytes]]) -> None

Schedule a bounded best-effort cached fetch without awaiting its outcome.

Parameters:

• key (str) – Stable media identity partitioning cache entries.
• offset (int) – Starting byte of the speculative range.
• limit (int) – Requested speculative range length.
• fetch (Callable[[], Awaitable[bytes]]) – Async producer used if this range is not cached or pending.